Well, it looks like Symbian firmware modder Taylor has again got his hands on unreleased version of Nokia Belle firmware- (Numbered v111.040.0904). He has also released a Custom Firmware for Nokia N8 based on this leaked version. The changelog shows few updates like new task manager, new music player, new homescreen widgets, new version of Qt, new web browser, but its hard to point other changes as the firmware is now customized, check out the video and changelog after break.
CFW Changelog V7 :
New music player.
Improved warning popup notes.
New task manager.
New Nokia Evolve theme. See you shared folder deleted apps.
New Nokia Widget Pack!
Special Pro Edition theme By AttisX: AXTHEMES My my order. Not be modified, extended!